Extensive laws regarding product liability and compensation for damages sustained by users of products exist in the United States. Similar to other countries, manufacturers that sell in the United States are liable for any damages sustained as a result of negligence on behalf of the manufacturer (or seller). Additionally, liability may occur for any breach of warranty. Finally, certain manufacturers and sellers may be held strictly liable for damages caused by their products under certain conditions. Most companies selling in the United States obtain product liability insurance, either in the United States or in their home countries.